<template>
    <el-form>
        <el-form-item>
            <el-radio v-model="radioValue" :value="1"> 周，允许的通配符[, - * ? / L #] </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :value="2"> 不指定 </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :value="3">
                周期从
                <el-select clearable v-model="cycle01">
                    <el-option
                        v-for="(item, index) of weekList"
                        :key="index"
                        :label="item.value"
                        :value="item.key"
                        :disabled="item.key === 7"
                        >{{ item.value }}</el-option
                    >
                </el-select>
                -
                <el-select clearable v-model="cycle02">
                    <el-option
                        v-for="(item, index) of weekList"
                        :key="index"
                        :label="item.value"
                        :value="item.key"
                        :disabled="item.key <= cycle01"
                        >{{ item.value }}</el-option
                    >
                </el-select>
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :value="4">
                第
                <el-input-number v-model="average01" :min="1" :max="4" /> 周的
                <el-select clearable v-model="average02">
                    <el-option
                        v-for="item in weekList"
                        :key="item.key"
                        :label="item.value"
                        :value="item.key"
                    />
                </el-select>
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :value="5">
                本月最后一个
                <el-select clearable v-model="weekday">
                    <el-option
                        v-for="item in weekList"
                        :key="item.key"
                        :label="item.value"
                        :value="item.key"
                    />
                </el-select>
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :value="6">
                指定
                <el-select
                    class="multiselect"
                    clearable
                    v-model="checkboxList"
                    placeholder="可多选"
                    multiple
                    :multiple-limit="6"
                >
                    <el-option
                        v-for="item in weekList"
                        :key="item.key"
                        :label="item.value"
                        :value="item.key"
                    />
                </el-select>
            </el-radio>
        </el-form-item>
    </el-form>
</template>

<script setup>
    const emit = defineEmits(['update']);
    const props = defineProps({
        cron: {
            type: Object,
            default: {
                second: '0',
                min: '*',
                hour: '*',
                day: '*',
                month: '*',
                week: '?',
                year: ''
            }
        },
        check: {
            type: Function,
            default: () => {}
        }
    });
    const radioValue = ref(2);
    const cycle01 = ref(2);
    const cycle02 = ref(3);
    const average01 = ref(1);
    const average02 = ref(2);
    const weekday = ref(2);
    const checkboxList = ref([]);
    const checkCopy = ref([2]);
    const weekList = ref([
        { key: 1, value: '星期日' },
        { key: 2, value: '星期一' },
        { key: 3, value: '星期二' },
        { key: 4, value: '星期三' },
        { key: 5, value: '星期四' },
        { key: 6, value: '星期五' },
        { key: 7, value: '星期六' }
    ]);
    const cycleTotal = computed(() => {
        cycle01.value = props.check(cycle01.value, 1, 6);
        cycle02.value = props.check(cycle02.value, cycle01.value + 1, 7);
        return cycle01.value + '-' + cycle02.value;
    });
    const averageTotal = computed(() => {
        average01.value = props.check(average01.value, 1, 4);
        average02.value = props.check(average02.value, 1, 7);
        return average02.value + '#' + average01.value;
    });
    const weekdayTotal = computed(() => {
        weekday.value = props.check(weekday.value, 1, 7);
        return weekday.value + 'L';
    });
    const checkboxString = computed(() => {
        return checkboxList.value.join(',');
    });
    watch(
        () => props.cron.week,
        (value) => changeRadioValue(value)
    );
    watch([radioValue, cycleTotal, averageTotal, weekdayTotal, checkboxString], () =>
        onRadioChange()
    );
    function changeRadioValue(value) {
        if (value === '*') {
            radioValue.value = 1;
        } else if (value === '?') {
            radioValue.value = 2;
        } else if (value.indexOf('-') > -1) {
            const indexArr = value.split('-');
            cycle01.value = Number(indexArr[0]);
            cycle02.value = Number(indexArr[1]);
            radioValue.value = 3;
        } else if (value.indexOf('#') > -1) {
            const indexArr = value.split('#');
            average01.value = Number(indexArr[1]);
            average02.value = Number(indexArr[0]);
            radioValue.value = 4;
        } else if (value.indexOf('L') > -1) {
            const indexArr = value.split('L');
            weekday.value = Number(indexArr[0]);
            radioValue.value = 5;
        } else {
            checkboxList.value = [...new Set(value.split(',').map((item) => Number(item)))];
            radioValue.value = 6;
        }
    }
    function onRadioChange() {
        console.log('cccc');

        if (radioValue.value === 2 && props.cron.day === '?') {
            emit('update', 'day', '*', 'week');
        }
        if (radioValue.value !== 2 && props.cron.day !== '?') {
            emit('update', 'day', '?', 'week');
        }
        switch (radioValue.value) {
            case 1:
                emit('update', 'week', '*', 'week');
                break;
            case 2:
                emit('update', 'week', '?', 'week');
                break;
            case 3:
                emit('update', 'week', cycleTotal.value, 'week');
                break;
            case 4:
                emit('update', 'week', averageTotal.value, 'week');
                break;
            case 5:
                emit('update', 'week', weekdayTotal.value, 'week');
                break;
            case 6:
                if (checkboxList.value.length === 0) {
                    checkboxList.value.push(checkCopy.value[0]);
                } else {
                    checkCopy.value = checkboxList.value;
                }
                emit('update', 'week', checkboxString.value, 'week');
                break;
        }
    }
</script>

<style lang="scss" scoped>
    .el-input-number--small,
    .el-select,
    .el-select--small {
        margin: 0 0.5rem;
    }
    .el-select,
    .el-select--small {
        width: 8rem;
    }
    .el-select.multiselect,
    .el-select--small.multiselect {
        width: 17.8rem;
    }
</style>
